# Pro Gym Supps vs Stack

The clearest difference is in-app purchases: Pro Gym Supps at none against Stack's 3. Pro Gym Supps also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Stack sells 3 in-app purchases, starting at $2.99 per month. Pro Gym Supps asks for nothing beyond the download.

## The numbers

| Metric | Pro Gym Supps | Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 98 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pro Gym Supplements Ltd](https://appshunter.io/developer/1870728063) | [HELGE JOHANNESSEN BJORLAND](https://appshunter.io/developer/1896590622) |

## What reviewers say

### Pro Gym Supps

[App page](https://appshunter.io/ios/app/pro-gym-supps/id6758073222)

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


### Stack

[App page](https://appshunter.io/ios/app/stack-supplement-tracker/id6790706147)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stack Pro Monthly | $2.99 | per month |
| Stack Pro Yearly | $19.99 | per year |
| Stack Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Pro Gym Supps free?

Pro Gym Supps is free to download, with no in-app purchases.

### Is Stack free?

Stack is free to download, with in-app purchases available.

### Do Pro Gym Supps or Stack have ads?

Neither Pro Gym Supps nor Stack shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*